Great, I imagine, if you have Magna Carta memorized, but otherwise more a reference book than a book. It's entirely possible that every factoid about Magna Carta has been recorded here, by David Carpenter, somewhere. Unfortunately, factoids strung together are not interesting to read.

That said, Carpenter organizes his work clearly enough that the book is eminently skimmable, and I know more about Magna Carta now than I did before I started (which was, admittedly, nothing). But considering how well he writes, and how interesting the story itself is, this is some dry-as-dust stuff. ( )